<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8" />
        <title>09_颜色属性-hsl-hsla</title>
        <style>
            div {
                width: 100px;
                height: 100px;
                background-color: hsl(0deg, 60%, 60%);
                background-color: hsla(0deg, 60%, 60%,.5);
            }
        </style>
    </head>
    <body>
        <div>还有10分钟就吃饭了</div>
    </body>
</html>